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CVE-2021-20298

Published: 23 August 2022

A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability.

Priority

Negligible

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
openexr
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

groovy Ignored
(end of life)
hirsute Not vulnerable
(2.5.4-1)
impish Not vulnerable
(2.5.4-2)
jammy Not vulnerable
(2.5.7-1)
kinetic Not vulnerable
(2.5.7-1)
lunar Not vulnerable
(2.5.7-1)
mantic Not vulnerable
(2.5.7-1)
trusty Does not exist

upstream
Released (2.5.4-1)
xenial Needs triage

Patches:
upstream: https://github.com/AcademySoftwareFoundation/openexr/commit/85fd638ae0d5fa132434f4cbf32590261c1dba97
upstream: https://github.com/AcademySoftwareFoundation/openexr/commit/0c2b46f630a3b5f2f561c2849d047ee39f899179

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H